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Port 10087 Details

known port assignments and vulnerabilities
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Port(s) Protocol Service Details Source
10087 tcp trojans W32.Mytob.AD@mm (04.07.2005) - mass-mailing worm with built-in SMTP engine. Spreads by exploiting the MS DCOM RPC vulnerability ([MS03-026]) and the MS Windows Local Security Authority Service Remote Buffer Overflow ([MS04-011]). Opens a backdoor on port 10087/tcp. Also connects to an IRC channel on the domain on port 6667 and listens for commands. Compromised PCs can be rebooted remotely, files can be downloaded/executed, and IRC commands can be performed.
W32.Mytob.AA@mm (04.05.2005) - mass-mailing worm that uses its own SMTP engine, and has backdoor capabilities. Uses port 10087 to transfer copies of the worm, and also opens an FTP server that listens on a random TCP port.
W32.Mytob.FP@mm (06.23.2005) - mass-mailing worm that opens backdoors on ports 10087/tcp and 12347/tcp.
10082-10099 tcp,udp Unassigned IANA
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External Resources
SANS Internet Storm Center: port 10087

Well Known Ports: 0 through 1023.
Registered Ports: 1024 through 49151.
Dynamic/Private : 49152 through 65535.

TCP ports use the Transmission Control Protocol. TCP is the most commonly used protocol on the Internet and any TCP/IP network. Whereas the IP protocol deals only with packets, TCP enables two hosts to establish a connection and exchange streams of data. TCP guarantees delivery of data and that packets will be delivered in the same order in which they were sent. Guaranteed communication/delivery is the key difference between TCP and UDP.

UDP ports use the Datagram Protocol, a communications protocol for the Internet network, transport, and session layers. Like TCP (Transmission Control Protocol), UDP is used with IP (the Internet Protocol) and makes possible the transmission of datagrams from one computer to applications on another computer, but unlike TCP, UDP is connectionless and does not guarantee reliable communication; it's up to the application that received the message to process any errors and verify correct delivery. UDP is often used with time-sensitive applications, such as audio/video streaming, where dropping some packets is preferable to waiting for delayed data.

When troubleshooting unknown open ports, it is useful to find exactly what services/processes are listening to them. This can be accomplished in both Windows command prompt and Linux variants using the "netstat -aon" command. We also recommend runnig multiple anti-virus/anti-malware scans to rule out the possibility of active malicious software. For more detailed and personalized help please use our forums.

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